This set of Video Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Transmissive Type Projection Systems”.
1. In which projectors 9 inches CRTs are used which emits bright light?
a) CRT Transmissive
b) LCD Transmissive
c) LED Transmissive
d) OLED Transmissive
View Answer
Explanation: In CRT (Cathode Ray Tube) Transmissive projectors around nine inches CRTs are used which emit bright light. In-front of the CRT a lens is put which magnifies the image and projects it on the screen. The three configurations of the CRT Transmissive projector are: i) One colored CRT tube ii) one B&W CRT with color filters and iii) 3 CRTs one for each primary colors.
2. Which of the following projection display is shown in the below figure?
a) OLED
b) LED
c) 3 CRT
d) LCD
View Answer
Explanation: 3 CRT projection display is shown in the figure. In 3 CRT projection display, three CRTs one for each primary color is allotted. In this configuration, three lenses are aligned such that a single picture appears on the screen.
3. LCD transmissive projectors are light and have higher resolution.
a) True
b) False
View Answer
Explanation: LCD transmissive projectors have higher resolution and are light in weight. Transmissive LCD projectors use a bright light to illuminate the LCD panel and the image formed on the LCD is projected by lens system on the screen that is located at suitable distance.
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